Long Island Aquarium

Long Island Aquarium There's so much to see, do, and explore at Long Island Aquarium! One of Long Island's most fin-tastic destinations! Hours: 10:00am to 5:00pm year-round.
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This full-scale Aquarium features one of the largest all-living coral reef displays in this hemisphere; a 120,000-gallon shark tank, year-round sea lion shows, numerous touch tanks, and more than 100 exhibits and interactive experiences, including Shark Dive, Pirate Snorkel Adventure, Atlantis Explorer Tour Boat, Sea Lion Kiss and the beautiful butterfly garden! Closed Thanksgiving and Christmas Days. Visit our Web site for more details: www.LongIslandAquarium.com

Did you know unlike other fishes, the Discus fish display moods and personalities? Plus, they have the ability to recogn...
06/22/2026

Did you know unlike other fishes, the Discus fish display moods and personalities? Plus, they have the ability to recognize the person taking care of them.

Happy Father's Day! Because dads are kids at heart, today dad’s pay the children’s rate when accompanied by his paid chi...
06/21/2026

Happy Father's Day! Because dads are kids at heart, today dad’s pay the children’s rate when accompanied by his paid child. 💙

*Child must be between 3 and 12 years old.
*Not available to purchase online.

Happy International Horse Shoe Crab Day! 🦀 Today we celebrate horseshoe crabs and raise awareness about their conservati...
06/20/2026

Happy International Horse Shoe Crab Day! 🦀 Today we celebrate horseshoe crabs and raise awareness about their conservation.

A little sunshine, a little rainbow, and a happy otter. 🌈🦦
06/19/2026

A little sunshine, a little rainbow, and a happy otter. 🌈🦦

06/18/2026

Did you know male banggai cardinalfish carry the eggs in their mouths for approximately 20 days? Once the eggs hatch, the young fish remain in the male’s mouth for an additional 10 days before they are released. This mouthbrooding behavior offers a secure and sheltered environment for the juvenile fish.

Sea more and save more this season with our special bundle offers! 🐠💙 Check out our deals and start planning your next a...
06/17/2026

Sea more and save more this season with our special bundle offers! 🐠💙 Check out our deals and start planning your next adventure at: longislandaquarium.com/tickets-aquatic-adventures/

Happy 13th Birthday to Nila! 🥳Today we’re celebrating our amazing California sea lion, Nila, as she’s officially a teena...
06/15/2026

Happy 13th Birthday to Nila! 🥳

Today we’re celebrating our amazing California sea lion, Nila, as she’s officially a teenager! Whether she’s making a splash during presentations or showing off her playful personality, Nila brings smiles to everyone who visits. Help us wish her a fin-tastic birthday in the comments! 🐟🎉

Do you love Nila and would like to send her a gift? Check out her Amazon Wish List: amazon.com/hz/wishlist/ls/MLJCWK1J90M0?ref_=wl_share

Did you know you can snap a selfie with one of our amazing sea lions or enjoy an unforgettable up-close encounter? Get f...
06/14/2026

Did you know you can snap a selfie with one of our amazing sea lions or enjoy an unforgettable up-close encounter? Get face-to-face with these playful marine mammals and create memories that will last a lifetime!

Learn more and book your experience: https://www.longislandaquarium.com/experiences/

There’s so much research, and planning that goes into designing the perfect habitat for our animals. Some designs are m...
06/13/2026

There’s so much research, and planning that goes into designing the perfect habitat for our animals. Some designs are made to help keep our animals healthy, like the rock work on the floor of our penguin habitat. These upturned stones help to keep our penguin’s feet flexing, dry, and clean. This prevents the penguins from developing bumblefoot, an infection in their feet. So you can say our penguins have very HAPPY FEET 😉

Address

431 E Main Street
Riverhead, NY
11901

Opening Hours

Monday 10am - 4pm
Tuesday 10am - 4pm
Wednesday 10am - 4pm
Thursday 10am - 4pm
Friday 10am - 4pm
Saturday 10am - 5pm
Sunday 10am - 5pm

Telephone

+16312089200

Website

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